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50 most recent check-ins

2018-12-15
20:59
Merge latest wal2 changes into this branch. Leaf check-in: 06bb80eeb8 user: dan tags: begin-concurrent-wal2
20:20
Further test cases for wal2 mode. Leaf check-in: 9cb5f8dab6 user: dan tags: wal2
07:12
Fix errors in comments in fts5.h. Leaf check-in: 4002790d94 user: dan tags: trunk
2018-12-14
21:58
Experimental support for new sqlite3_bind_blob() and sqlite3_bind_text() interfaces that take an extra void* argument that is passed into the destructor in front of the object that is to be destroyed. Leaf check-in: 33a1924ebb user: drh tags: custom-destructors
20:28
Add a missing OP_ColumnsUsed opcode to code for expressions like "? IN (SELECT ...)" in cases where expression can use an index that may contain NULL values. (Backported fix from version 3.14.0). Leaf check-in: 11368e673c user: drh tags: branch-3.8.9
20:20
Add the OP_ColumnsUsed opcode (when compiled with SQLITE_ENABLE_COLUMN_USED_MASK) as a hint to the b-tree layer as to which columns of a btree cursor will be used. (Backport from 3.8.11) check-in: b29e02f877 user: drh tags: branch-3.8.9
19:53
Add further tests for wal2 mode. check-in: 54e628f902 user: dan tags: wal2
18:11
Fix harmless compiler warnings. check-in: 27221c6990 user: drh tags: trunk
17:57
Fix possible integer overflow while running PRAGMA integrity_check on a database file with a badly corrupted freelist. check-in: 395599116d user: drh tags: trunk
16:20
Back out the expansion of the temporary buffer size from [32754ca6f86da816] and replace it with an explicit test for buffer overreads. check-in: 8ba3d9f380 user: drh tags: trunk
16:00
Avoid a buffer overread in ptrmapPutOvflPtr() that can occurs in a corrupt database file that has large entries and uses autovacuum. check-in: f8b781cf41 user: drh tags: trunk
13:47
Fix a harmless compiler warning in Sessions. check-in: fc9791ea98 user: drh tags: trunk
13:35
Expand the size of the temporary page used during btree rebalancing by a few bytes, to avoid problems with small buffer overreads that can occur on corrupted database files. check-in: 32754ca6f8 user: drh tags: trunk
13:18
When saving the position of a cursor at the b-tree layer, allocate a few extra bytes at the end of the buffer used to save the key. Otherwise, if the key is corrupt, the code that restores the cursor position may overread the buffer by a little. check-in: 160b1e31c0 user: dan tags: trunk
11:16
Fix a problem with bytecode generation when a query involves two or more indexes on expressions connected by OR. Ticket [d96eba87698a428c1ddd0790ea04] check-in: 7e4ed8b5c2 user: drh tags: trunk
08:40
Possible fix for [d96eba87]. Closed-Leaf check-in: 89a25abfcd user: dan tags: tkt-d96eba87
03:16
Fix a bug in fuzzcheck that cause it to overlook a pointer-map bug that was trigger by the fuzzcheck test data, and also fix the pointer-map bug. check-in: cc42dd1510 user: drh tags: trunk
03:14
Detect when an attempt is made to write to a pointer map page that is also being used as a btree page and report corruption. Closed-Leaf check-in: 3036fd71ac user: drh tags: fuzzcheck-fix
02:29
Fix a bug in the custom in-memory VFS used by fuzzcheck. This bug masks other bugs that should have caused some existing fuzzdata7.db entries to fail, and so this fix is initially on a branch until those other bugs can be repaired. check-in: e0994e9995 user: drh tags: fuzzcheck-fix
2018-12-13
22:58
Fix the dbtotxt decoder in the CLI so that it ignores excess bytes. check-in: 18740bd448 user: drh tags: trunk
21:52
dbfuzz2 found a NEVER() that is sometimes true. check-in: 1201615cbb user: drh tags: trunk
21:11
Add extra tests for database corruption inside the defragmentPage() routine, as dbfuzz2 has found ways for corruption to leak into that point. Add test cases in fuzzdata7.db. check-in: 997b65117f user: drh tags: trunk
21:05
Fix a problem in sqlite3BtreeDelete() in which deleting an entry from a corrupt database can leave a btree page with zero cells. check-in: 682053d1e6 user: drh tags: trunk
20:49
Add the "decode_hexdb" TCL command to testfixture. Add the dbfuzz001.test module to demonstration how to use decode_hexdb to deserialize a dbtotxt database description for use in a corruption test. check-in: 1f583c53f3 user: drh tags: trunk
18:59
Fix the CLI to keep proper track of input line numbers for use in error messages, even after processing in-line hex database inputs using ".open --hexdb". check-in: 7ffa985816 user: drh tags: trunk
18:30
Fix the CLI so that the ".open --hexdb" command works even if it is contained in a subscript that is read using ".read". check-in: 67a87399b8 user: drh tags: trunk
16:26
Add tests cases for recovery in wal2 mode. check-in: 34f56f8a42 user: dan tags: wal2
15:52
Merge the dbtotxt enhancement from trunk. Closed-Leaf check-in: b386fce9a2 user: drh tags: dbfuzz2-cases
15:06
Add the "dbtotxt" utility program and the ability to read "dbtotxt" output as a deserialized input database in the CLI, using the --hexdb option to the ".open" command. check-in: e3bf1d3ea5 user: drh tags: trunk
12:37
Include OPTS in the build of dbfuzz2. check-in: eac9c0c496 user: drh tags: trunk
12:28
Fix the Makefile so that it honors CFLAGS when building sessionfuzz. check-in: 54231ac4ca user: drh tags: trunk
03:36
New database corruption test cases discovered by dbfuzz2. The new cases have been added to test/fuzzdata7.db, but have not yet all been fixed, so tests will not currently pass. check-in: b4210d320c user: drh tags: dbfuzz2-cases
2018-12-12
21:34
Fix another problem found by Matthew Denton's new fuzzer. check-in: 2b690dbdff user: drh tags: trunk
20:39
Add new test file wal2big.test. check-in: e3e50bcdab user: dan tags: wal2
20:11
Remove an ALWAYS() from a branch that is not always taken. The test case found by OSSFuzz has been added to TH3. check-in: 5c7dab8553 user: drh tags: trunk
19:04
Add tests to ensure that each of the 4 wal read-locks does what it is supposed to. check-in: 4d5779f31d user: dan tags: wal2
11:57
OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be true. Test case added to TH3. Leaf check-in: bc891ac6b6 user: drh tags: branch-3.26
11:54
Fix a problem with using "<db>-vacuum" (the default) as the state database when resuming an RBU vacuum. check-in: 6b7567fc0c user: drh tags: branch-3.26
11:50
Do not use a partial index as a table scan in an IN operator. Fix for ticket [1d958d90596593a77420e59]. check-in: c1c735a8c6 user: drh tags: branch-3.26
11:23
OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be true. Test case added to TH3. check-in: 23b62fb160 user: drh tags: trunk
2018-12-11
17:56
Change the way wal2 locks work to ensure a reader only ever has to lock a single slot. check-in: 18b2c23ac5 user: dan tags: wal2
13:44
Merge latest trunk changes into this branch. check-in: d8dd98a39e user: dan tags: wal2
12:51
Small performance improvement in sqlite3_step(). check-in: d1db8d5894 user: drh tags: trunk
12:20
Small performance improvement in the sqlite3_bind() family of interfaces. check-in: 1dc0c3df32 user: drh tags: trunk
2018-12-10
20:01
Further refinements to the sqlite3_normalized_sql() interface. TH3 now gives 100% MC/DC on that interface. check-in: c96bf6cca2 user: drh tags: trunk
18:15
Refactor the sqlite3_normalized_sql() implementation. check-in: 06e955e5d2 user: drh tags: trunk
16:53
Merge latest mutexfree-shmlock changes into this branch. Leaf check-in: 186b376ec3 user: dan tags: begin-concurrent-pnu-mutexfree-shmlock
16:52
Make SQLITE_MFS_NSHARD a compile time setting. Leaf check-in: b9a7415190 user: dan tags: mutexfree-shmlock
16:49
Fix issues with the new normalizer. Leaf check-in: 057d7d40c5 user: drh tags: normalize-refactor
16:00
Refactor the sqlite3_normalized_sql() implementation. This is a work-in-progress. There are still issues. check-in: a4c890b0af user: drh tags: normalize-refactor